No. Animals don't think, because thinking requires language, based on it conceptual thinking and related brain circuitry which animals still didn't evolve. Signaling systems and elaborate warning cries do not account for a language. Animals only feel. They have emotions, environmental clues and heuristics, everything but a language and hence no thinking by definition. That is exactly what some call non-verbal,'animal…
I find it funny that you're being downvoted to shit for holding an opinion which actually was quite common in the philosophy of mind, and which hasn't been quite yet superseded. Or at least I guess so, because nothing in philosophy ever really is. The identification of thought (or rather reason ) with language was explicitly advocated by Descartes in part V of the Discourse on the Method , where he suggested a test f…
People are objecting to the unsubstantiated, doctrinaire, insistence on this very narrow definition to the exclusion of all others, including the ones used by people who research animal cognition for a living.
I don't see why anyone should exclusively care what Descartes has to say about it when we have an additional 400 years of science after his death that suggests he didn't have the whole picture.